CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 86.8910 50.6140 23.3960 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > oifwIPxjklOcOSMj80LTBA > 2025-07-10 17:17:48 > 0.9.12 > ligand > pdb-bcif > 4ik9 > atom_site > {"label_asym_id":"E","auth_seq_id":504} > 67 > 9 > 4 > 324 > 0 > 1 $$$$